# Data Mover 1.20.0
### About these Release Notes
Release date: May 15th, 2023.
This document applies to Data One v1.20.0 for all supported platforms, databases, and cluster types.
### New features and enhancements
The following sections outline the main features and functionality that have been introduced:
#### New Storage Classes
Four new Storage Classes have been introduced to the platform: Amazon S3, Azure Blob Storage, Google Cloud Storage, and SMB.
These new storage classes provide users with a range of options to suit their data integration needs, offering flexibility and scalability from leading cloud providers and SMB connectivity.
See these pages:
* [Storage Classes](/data-mover-1.21/virtual-file-systems/storage-classes.md)
* [Storage Class: SMB v3 or later versions](/data-mover-1.21/virtual-file-systems/storage-classes/storage-class-smb-v3-or-later-versions.md)
* [Storage Class: Azure Blob Storage](/data-mover-1.21/virtual-file-systems/storage-classes/storage-class-azure-blob-storage.md)
* [Storage Class: Amazon S3](/data-mover-1.21/virtual-file-systems/storage-classes/storage-class-amazon-s3.md)
* [Storage Class: Google Cloud Storage](/data-mover-1.21/virtual-file-systems/storage-classes/storage-class-google-storage.md)
* [Storage Class: Local File System](/data-mover-1.21/virtual-file-systems/storage-classes/storage-class-local-file-system.md)
*Relevant requirements:* PR-313, PR-714, PR-715, PR-713
#### Enhanced Dataflow Modeling and Cut-off Definition in Data Watcher
Improved Dataflow modeling capabilities in Data Watcher: users now have a more intuitive and efficient way to model their Dataflows. Additionally, the release adds the ability to define Cut-offs at the Dataflow level, including multiple and recurring Cut-off definitions.
See these pages:
* [Dataflow Models](/data-watcher-1.21/model/dataflow-models.md)
* [Cut-offs](/data-watcher-1.21/model/cut-offs.md)
*Relevant requirements:* PR-450, PR-552
#### Optimized Connection Pooling for FTP, FTPS, and SFTP
Optimization in connection pooling for FTP, FTPS, and SFTP protocols. Users can expect a significant 25% performance improvement in specific scenarios, resulting in faster data transfers. This enhancement also improves scalability, resource efficiency, and reliability for data integration with these protocols.
*Relevant requirement:* PR-576
#### Enhancements to IAM components
Introduced enhancements to the IAM components; the platform provides a new management interface.
See this page: [Identity and Access Management](/data-mover-1.21/security/identity-and-access-management.md)
*Relevant requirements:* PR-694, PR-906
#### Data Watcher UX/UI improvements
Data Watcher UX/UI improvements improve the overall user experience.
*Relevant requirement:* PR-823
#### Setup improvements
Introduced a new version of the Data One Installation Manager, streamlining the setup process. This update simplifies installation, upgrades, patching, and configuration changes, providing a more efficient and user-friendly experience.
See this page: [Introduction to the installation process ](/data-one-installation-manager/getting-started/introduction-to-the-installation-process.md)
*Relevant requirement*: PR-861
#### Database connector for Input and Output Contracts
Four new System Workflow Templates leverage the Data Shaper’s Database component to enable seamless integration with databases, allowing users to read and write data and implement a new set of Data Integration use cases.
*Relevant requirements*: PR-903
#### Ability to tune Central Log verbosity
Users now have more precise control over log verbosity in Central Log.
*Relevant requirement*: PR-930
#### Workflow Engine upgrade to the latest version
Updated the Workflow Engine to the latest version.
*Relevant requirement:* PR-935
### Fixes
The following sections outline problems or malfunctions that have been corrected:
* \[CQUU-29258] Missing documentation for Expected Charset field
* \[CQUU-29237] Data Shaper designer – The finish button does not work when creating a subgraph
* \[CQUU-28511] Correlation issue in Data Watcher when monitoring Data Shaper processors
### Known problems and workarounds
* \[DAT-6354] FTPS transfers through DMZ are not supported due to an unresolved regression
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